Adopting of DC motor&comma; which boasts stable running&comma; low noise and large moment&period; Fully electronic control&comma; the enactment of program is done by limit switch&comma; which is simple and convenient&semi;

The force of opening and closing is controlled by CMOS chip&period; It is sensitive and reliable when coming across resistant rebound&semi;

Reliable power testing technique&comma; it can remember the location of the door body after power-off&comma; thus no need to study again after powered on again&period;With rolling code remote control&comma; the number of code is more than hundred million&period; No coincident code and code stealing will appear&comma; thus being safe and reliable&semi;